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Finding the Fourth Proportional to 123,158.01, 184,794.45 and 121,167.84

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Solution

The fourth proportional to 123,158.01, 184,794.45 and 121,167.84 is: 181,808.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,158.01 : 184,794.45 = 121,167.84 : x
  2. Step 2: Convert to fraction form
    123,158.01/184,794.45 = 121,167.84/x
  3. Step 3: Cross multiply
    123,158.01x = 184,794.45 × 121,167.84
  4. Step 4: Simplify right side
    123,158.01x = 22,391,144,350.49
  5. Step 5: Solve for x
    x = 22,391,144,350.49/123,158.01
  6. Step 6: Final answer
    x = 181,808.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.